101011210320 has 40 divisors (see below), whose sum is σ = 313134752736. Its totient is φ = 26936322688.

The previous prime is 101011210301. The next prime is 101011210327. The reversal of 101011210320 is 23012110101.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×101011210320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 101011210296 and 101011210305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101011210327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210439782 + ... + 210440261.

Almost surely, 2^101011210320 is an apocalyptic number.

101011210320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101011210320 is an abundant number, since it is smaller than the sum of its proper divisors (212123542416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101011210320 is a wasteful number, since it uses less digits than its factorization.

101011210320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420880059 (or 420880053 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 101011210320 its reverse (23012110101), we get a palindrome (124023320421).

The spelling of 101011210320 in words is "one hundred one billion, eleven million, two hundred ten thousand, three hundred twenty".